ZCZC NFDSPENES ALL SPENES MSZ000-LAZ000-ARZ000-TXZ000-OKZ000- . SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/04/08 1958Z SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678 LATEST DATA USED: GOES 1945Z CW . LOCATION...NW MISSISSIPPI...N LOUISIANA...S ARKANSAS...NE TEXAS... LOCATION...SE OKLAHOMA... . ATTN WFOS...MEG...JAN...LZK...SHV...TSA...FWD...OUN... ATTN RFCS...LMRFC...ABRFC...WGRFC... . EVENT...SLOW MOVING TSTMS CAPABLE OF PRODUCING PERIODS OF HVY RAINS . SATELLITE ANALYSIS AND TRENDS...OVER THE PAST 2-3 HRS SCATTERED TSTMS HAVE DEVELOPED ALONG AN OUTFLOW BOUNDARY DRAPED ACROSS S OK/NE TX THRU CENTRAL AR. SINCE ABOUT 1815Z TSTMS HAVE BEGUN TO BE A BIT MORE ORGANIZED ACROSS CENTRAL AND SOUTHERN AR WHERE STRONGEST SFC MOISTURE CONVERGENCE IS SEEN IN 19Z SFC ANALYSIS. CLOUD SHIELD OF -66C HAS EXPANDED OVER THE LAST HR COVERING MOST OF S AR. RATHER HIGH PW VALUES (OF 1.9-2.0") AND 70F SFC DEW POINTS ARE FOUND POOLED ACROSS SE OK/NE TX/CENTRAL AND SOUTHERN AR/N LA/NW MS. . THESE STORMS HAVE BEEN MOVING RATHER SLOWLY TO THE SE ACROSS AR WITH THE STORMS FURTHER UPSTREAM ACROSS THE OK/TX BORDER REMAINING NEARLY STATIONARY OVER THE PAST 60-90 MINS. STLT WIND FIELDS INDICATE MID-UPPER LVL FLOW IS GENERALLY W-E WITH LLVL FLOW VERY LIGHT..WHICH IS LIKELY CONTRIBUTING TO THE SLOW PROPAGATION OF THESE STORMS. STLT ESTIMATES RAINFALL RATES SUGGEST STORMS ARE CAPABLE OF PRODUCING 0.5-1.0"/HR RATES AND MAY LAST BETWEEN 1-2 HRS. A SLIGHTLY MORE ELEVATED CONCERN WHERE HVY RAINS MAY POSE A PROBLEM IS ALONG THE OK/TX BORDER WHERE STORMS ARE MOVING VERY LITTLE. ADDITIONAL LOCALIZED AMOUNTS OF 1-1.5" IS POSSIBLE OVER THE NEXT 1-2 HRS. . PLEASE SEE WEB ADDRESS IN ABOUT 10 MINS FOR STLT GRAPHIC. . SEE NCEP HPC DISCUSSION AND QPF/S FOR FORECAST. ....NESDIS IS A MEMBER OF 12 PLANET.... . SSD/SAB WEB ADDRESS FOR PRECIP ESTIMATES: HTTP://WWW.SSD.NOAA.GOV/PS/PCPN/ ...ALL LOWER CASE EXCEPT /PS/PCPN/ . LAT...LON 3460 8989 3258 9110 3343 9785 3444 9718 . NNNN